About 3-layer Disposable Face Mask:
The disposable face mask has many advantages, such as good air permeability, heat insulation, flexibility, high filtration capacity, soft texture, and excellent waterproofing and absorbing property. It is made of two-layer nonwoven fabrics as externals and a layer of filter cloth (melt-blown fibre) between them with a filtration capacity ≥ 95%.
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